Revert other minor changes.

John Holdsworth · John Holdsworth · commit e7fd73fe23ac · 2024-01-30T17:26:27.000+01:00
diff --git a/Sources/SwiftParser/Lexer/Cursor.swift b/Sources/SwiftParser/Lexer/Cursor.swift
@@ -1677,7 +1677,7 @@ extension Lexer.Cursor {
       return self.lexUnicodeEscape()
     case "\n", "\r":
       if isMultilineString && self.maybeConsumeNewlineEscape() {
-        return .success(UInt32(("\n")))
+        return .success(UInt32(UInt8(ascii: "\n")))
       }
       return .error(.invalidEscapeSequenceInStringLiteral)
     case nil:
diff --git a/Sources/SwiftParser/Lexer/UnicodeScalarExtensions.swift b/Sources/SwiftParser/Lexer/UnicodeScalarExtensions.swift
@@ -96,7 +96,7 @@ extension Unicode.Scalar {
   var isOperatorStartCodePoint: Bool {
     // ASCII operator chars.
     if self.value < 0x80 {
-      switch self {
+      switch UInt8(self.value) {
       case "/", "=", "-", "+", "*", "%", "<",
         ">", "!", "&", "|", "^", "~", ".", "?":
         return true

Original file line number	Diff line number	Diff line change
`@@ -1677,7 +1677,7 @@ extension Lexer.Cursor {`
`1677`	`1677`	`return self.lexUnicodeEscape()`
`1678`	`1678`	`case "\n", "\r":`
`1679`	`1679`	`if isMultilineString && self.maybeConsumeNewlineEscape() {`
`1680`		`- return .success(UInt32(("\n")))`
	`1680`	`+ return .success(UInt32(UInt8(ascii: "\n")))`
`1681`	`1681`	`}`
`1682`	`1682`	`return .error(.invalidEscapeSequenceInStringLiteral)`
`1683`	`1683`	`case nil:`